Convert as_json hash to controller params, for testing ease

gistfile1.rb

def to_form_param json
  case json
  when Array
    return json if json.empty? || !json[0].is_a?(Hash)
    i = 0
    json.reduce({}.with_indifferent_access) do |memo, item|
      memo["#{i}"] = to_form_param item
      i += 1
      memo
    end
  when Hash
    out = json.dup.with_indifferent_access
    out.each do |key, value|
      out[key] = to_form_param value
    end
    out
  else
    json
  end
end